3982  peitho  pi'-tho

 a primary verb; to convince 
(by argument, true or false); 
by analogy, to pacify or 
conciliate (by other fair 
means); reflexively or 
passively, to assent (to 
evidence or authority), to 
rely (by inward certainty):--
agree, assure, believe, have 
confidence, be (wax) 
conflent, make friend, obey, 
persuade, trust, yield.